EP2215403A4 - Diffuser for led light sources - Google Patents

Diffuser for led light sources

Info

Publication number
EP2215403A4
EP2215403A4 EP08842545A EP08842545A EP2215403A4 EP 2215403 A4 EP2215403 A4 EP 2215403A4 EP 08842545 A EP08842545 A EP 08842545A EP 08842545 A EP08842545 A EP 08842545A EP 2215403 A4 EP2215403 A4 EP 2215403A4
Authority
EP
European Patent Office
Prior art keywords
diffuser
light sources
led light
led
sources
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP08842545A
Other languages
German (de)
French (fr)
Other versions
EP2215403A1 (en
Inventor
Carol Lenk
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Switch Bulb Co Inc
Original Assignee
Switch Bulb Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Switch Bulb Co Inc filed Critical Switch Bulb Co Inc
Publication of EP2215403A1 publication Critical patent/EP2215403A1/en
Publication of EP2215403A4 publication Critical patent/EP2215403A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00—Globes; Bowls; Cover glasses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/04—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/06—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the lampholder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
    • F21V29/763—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
    • G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/58—Optical field-shaping elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
EP08842545A 2007-10-24 2008-10-21 Diffuser for led light sources Withdrawn EP2215403A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US98231407P 2007-10-24 2007-10-24
PCT/US2008/011984 WO2009054948A1 (en) 2007-10-24 2008-10-21 Diffuser for led light sources

Publications (2)

Publication Number Publication Date
EP2215403A1 EP2215403A1 (en) 2010-08-11
EP2215403A4 true EP2215403A4 (en) 2012-08-29

Family

ID=40579834

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08842545A Withdrawn EP2215403A4 (en) 2007-10-24 2008-10-21 Diffuser for led light sources

Country Status (7)

Country Link
US (2) US8415695B2 (en)
EP (1) EP2215403A4 (en)
JP (1) JP2011501464A (en)
KR (1) KR20100110770A (en)
CN (2) CN103925559A (en)
CA (1) CA2706975A1 (en)
WO (1) WO2009054948A1 (en)

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KR20090008316A (en) 2006-05-02 2009-01-21 슈퍼불브스, 인크. Method of light dispersion and preferential scattering of certain wavelengths of light for light-emitting diodes and bulbs constructed therefrom
WO2009035693A1 (en) 2007-09-14 2009-03-19 Superbulbs, Inc. Phosphor-containing led light bulb
CA2706975A1 (en) 2007-10-24 2009-04-30 Superbulbs, Inc. Diffuser for led light sources
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CN102073145A (en) * 2011-01-29 2011-05-25 中北大学 Speckle elimination device based on Mie scattering and Brownian motion
JP5827578B2 (en) * 2011-02-14 2015-12-02 株式会社半導体エネルギー研究所 Method for producing optical element
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US9297935B2 (en) * 2012-01-27 2016-03-29 Rockwell Automation Technologies, Inc. Method and device for enhancing sensor indication
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CN103730067A (en) * 2013-11-22 2014-04-16 上海和辉光电有限公司 AMOLED module structure and assembly method thereof
DE102015106708B4 (en) * 2015-04-30 2017-12-21 Visteon Global Technologies, Inc. Device for emitting light, in particular for generating an image
CN106195914A (en) * 2016-07-28 2016-12-07 上海光巢信息技术有限公司 Scattering device and light fixture
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DE102017213307A1 (en) * 2017-08-01 2019-02-07 Robert Bosch Gmbh battery Pack
CN108332174B (en) * 2018-02-07 2019-12-24 武汉大学 Heat dissipation system and method applied to light emitting surface of high-power LED lighting equipment
CN110459140A (en) * 2019-08-16 2019-11-15 云谷（固安）科技有限公司 Light-emitting component and display panel

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CN101896766B (en) 2014-04-23
CA2706975A1 (en) 2009-04-30
US8415695B2 (en) 2013-04-09
CN101896766A (en) 2010-11-24
EP2215403A1 (en) 2010-08-11
WO2009054948A1 (en) 2009-04-30
KR20100110770A (en) 2010-10-13
US20130214313A1 (en) 2013-08-22
US20110042700A1 (en) 2011-02-24
US8981405B2 (en) 2015-03-17
CN103925559A (en) 2014-07-16

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